<script setup>
import {
  Edit,
  Delete
} from '@element-plus/icons-vue'
import { ref } from 'vue'
const categorys = ref([
  {
    "id": 3,
    "categoryName": "美食",
    "categoryAlias": "my",
    "createTime": "2023-09-02 12:06:59",
    "updateTime": "2023-09-02 12:06:59"
  },
  {
    "id": 4,
    "categoryName": "娱乐",
    "categoryAlias": "yl",
    "createTime": "2023-09-02 12:08:16",
    "updateTime": "2023-09-02 12:08:16"
  },
  {
    "id": 5,
    "categoryName": "军事",
    "categoryAlias": "js",
    "createTime": "2023-09-02 12:08:33",
    "updateTime": "2023-09-02 12:08:33"
  }
])
//声明一个异步函数   同步等待
import { articleCategoryListService, articleCategoryAddService,articleCategoryUpdateService,articleCategoryDeleteService } from '@/api/article.js'
import {ElMessage} from "element-plus";
// 查询接口
const articleCategoryList = async () => {
  let result = await articleCategoryListService();
  categorys.value = result.data;
}
articleCategoryList();

//控制添加分类弹窗
const dialogVisible = ref(false)

//添加分类数据模型
const categoryModel = ref({
  categoryName: '',
  categoryAlias: ''
})
//添加分类表单校验
const rules = {
  categoryName: [
    { required: true, message: '请输入分类名称', trigger: 'blur' },
  ],
  categoryAlias: [
    { required: true, message: '请输入分类别名', trigger: 'blur' },
  ]
}
//表单添加确认按钮
const addCatrgory = async ( )=>{
  let result = await articleCategoryAddService(categoryModel.value);
  //弹出添加成功
  ElMessage.success(result.message? result.message:'添加成功')
  //隐藏添加页面
  dialogVisible.value=false;
  //再次查询所有文章分类
  articleCategoryList();
}

//定义变量控制标题展示
const title = ref('')

//展示编辑弹窗
const showdialog =(row)=>{
  dialogVisible.value = true; title.value ='编辑分类'
  //数据拷贝
  categoryModel.value.categoryName = row.categoryName;
  categoryModel.value.categoryAlias = row.categoryAlias;
  //拓展id属性  将来需要传递给后端
  categoryModel.value.id = row.id;
}
//修改用户
const updateCatrgory = async ()=>{
  //调用接口
  let result = await articleCategoryUpdateService(categoryModel.value);
  ElMessage.success(result.msg?result.msg:'修改成功')
  //获取所有分类的函数
  articleCategoryList();
  //隐藏弹窗
  dialogVisible.value = true;
}
//清空模型数据
const clearData=()=>{
  categoryModel.value.categoryName= '';
  categoryModel.value.categoryAlias= '';
}
//删除文章根据id
import {ElMessageBox} from 'element-plus';
const deletcCategory=  (row)=>{
  //弹出确认框
  ElMessageBox.confirm(
      '你确认删除该分类信息吗?',
      '温馨提示',
      {
        confirmButtonText: '确认',
        cancelButtonText: '取消',
        type: 'warning',
      }
  )
      .then(async () => {
        //用户点击了确认
        let result = await articleCategoryDeleteService(row.id)
        ElMessage.success(result.message?result.message:'删除成功')
        //再次查询所有文章分类
        articleCategoryList();
      })
      .catch(() => {
        ElMessage({
          type: 'info',
          message: '用户取消',
        })
      })

}


</script>


<template>
  <el-card class="page-container">
<!--    //头部文章分类-->
    <template #header>
      <div class="header">
        <span>文章分类</span>
        <div class="extra">
          <el-button type="primary" @click="title='添加分类';dialogVisible = true;clearData()">添加分类</el-button>
        </div>
      </div>
    </template>
<!--    表格事件绑定-->
    <el-table :data="categorys" style="width: 100%">
      <el-table-column label="序号" width="100" type="index"> </el-table-column>
      <el-table-column label="分类名称" prop="categoryName"></el-table-column>
      <el-table-column label="分类别名" prop="categoryAlias"></el-table-column>
      <el-table-column label="操作" width="100">
        <template #default="{ row }">
          <el-button :icon="Edit" circle plain type="primary" @click="showdialog(row)" ></el-button>
          <el-button :icon="Delete" circle plain type="danger" @click="deletcCategory(row)"></el-button>
        </template>
      </el-table-column>

      <template #empty>
        <el-empty description="没有数据" />
      </template>
    </el-table>

    <!-- 添加分类弹窗 -->
    <el-dialog v-model="dialogVisible" :title="title" width="30%">
      <el-form :model="categoryModel" :rules="rules" label-width="100px" style="padding-right: 30px">
        <el-form-item label="分类名称" prop="categoryName">
          <el-input v-model="categoryModel.categoryName" minlength="1" maxlength="10"></el-input>
        </el-form-item>
        <el-form-item label="分类别名" prop="categoryAlias">
          <el-input v-model="categoryModel.categoryAlias" minlength="1" maxlength="15"></el-input>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
            <el-button @click="dialogVisible = false">取消</el-button>
            <el-button type="primary" @click="title=='添加分类'? addCatrgory() : updateCatrgory() "> 确认 </el-button>
        </span>
      </template>
    </el-dialog>
  </el-card>
</template>

<style lang="scss" scoped>
.page-container {
  min-height: 100%;
  box-sizing: border-box;

  .header {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
}
</style>